Test file generator for QA. Creates real PDF, PNG, ZIP, DOCX and 16 more formats at any exact size, with a manifest saying how your app should react. Offline, CLI + desktop app.



Mockaroo is described as 'It's hard to put together a meaningful UI prototype without making real requests to an API. By making real requests, you'll uncover problems with application flow, timing, and API design early, improving the quality of both the user experience and API' and is an website. There are more than 10 alternatives to Mockaroo, not only websites but also apps for a variety of platforms, including Windows, Linux, Mac and SaaS apps. The best Mockaroo alternative is DataMaker, which is free. Other great sites and apps similar to Mockaroo are DDL to Data, Mock Turtle, SQLable and JSONGenerator.
Test file generator for QA. Creates real PDF, PNG, ZIP, DOCX and 16 more formats at any exact size, with a manifest saying how your app should react. Offline, CLI + desktop app.



High-performance synthetic data generator written in Rust. Produces GDPR/HIPAA-compliant test data for PostgreSQL & MySQL.

JSON Schema Faker combines JSON Schema standard with fake data generators, allowing users to generate fake data that conform to the schema.


SynthForge is a free web app for generating realistic synthetic and test data across related database tables in a single pass, every foreign key points at a parent row that actually exists.

UDG creates realistic test data directly in your Salesforce sandbox or scratch org via an easy to use web interface. Native record relationships, picklist values, and record types.




Veilgen-Master is a powerful and flexible fake data generator designed for developers, testers, and security researchers. It supports a wide range of data types, including names, addresses, emails, phone numbers, and even structured JSON data.



